| Paper | P1
 |
| Date of use | 1770 - 1773 |
| Paper mill | Gaudenzio Fossati, Maina / Maderno, Toscolano |
Watermark P1A
| Watermark | 3 crescents |
| Selenometrie in mm | xy: 14, xz: 75 |
| Countermark | crown with a pointed top / GF |
| Source | A Wn Mus.Hs._18076_2_fol153v152r147v146r |
 |  |  |
| watermark | countermark | sheet  |
Twinmark P1B
| Watermark | 3 crescents |
| Selenometrie in mm | xy: 15, xz: 75 |
| Countermark | crown with a pointed top / GF |
| Source | A Wn Mus.Hs._17838_1_fol72v71r78v77r |
 |  |  |
| twin watermark
| twin countermark
| twin sheet |
Copyists and works |
|
| Copyists using paper P1 | WK60R, WK71A, WK71B, WK71C, WK71D, WK71E, WK71F, WK71H, WK71K, WK71P, WK71R, WK71S, WK71U, WK73T |
| Scores written on paper P1 | Felici_18059, Gassmann_17775, Gassmann_18076, Gluck_9948, Hasse_17261, Piccinni_OE–28, Sacchini_1057, Salieri_1048, Salieri_17838, Salieri_17840 |
| Staff ruling on paper P1 | 10/184N, 10/189G |